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S21800 Stainless Steel vs. C70600 Copper-nickel

S21800 stainless steel belongs to the iron alloys classification, while C70600 copper-nickel belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S21800 stainless steel and the bottom bar is C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 40
3.0 to 34
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 75
46
Shear Strength, MPa 510
190 to 330
Tensile Strength: Ultimate (UTS), MPa 740
290 to 570
Tensile Strength: Yield (Proof), MPa 390
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 340
220
Maximum Temperature: Mechanical, °C 900
220
Melting Completion (Liquidus), °C 1360
1150
Melting Onset (Solidus), °C 1310
1100
Specific Heat Capacity, J/kg-K 500
390
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 15
33
Density, g/cm3 7.5
8.9
Embodied Carbon, kg CO2/kg material 3.1
3.4
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 150
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 390
16 to 290
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 26
19
Strength to Weight: Axial, points 27
9.1 to 18
Strength to Weight: Bending, points 24
11 to 17
Thermal Shock Resistance, points 17
9.8 to 19

Alloy Composition

Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16 to 18
0
Copper (Cu), % 0
84.7 to 90
Iron (Fe), % 59.1 to 65.4
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Nickel (Ni), % 8.0 to 9.0
9.0 to 11
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 3.5 to 4.5
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5